namedtamerlantsarnaev.and some of the first reportingontamerlantsarnaevthat came out late last week after the bombing, the murder of his close friend brendan mess was described as really the only tragedy that we knew of his life in america. it was described as maybe one of the turning points in his life. but that murder is not solved. the thing that was notable about that crime in waltham, that triple murder, obvious lets notable. it was an unsolved triple murder. that itself is notable. but the other thing notable about this crime is it was a particularly brutal crime scene. these were three, fit, capable young men killed with stabbing injuries to their necks. and this murder was apparently drug-related, but not in the way that drug-related crimes are usually drug-related. >> there was a girl running out of the house, saying there is blood everywhere. and there is like marijuana all over the bodies apparently. >> marijuana all over the bodies. one of the three victims in that murder had been charged with marijuana possession and the intent to distribute a few years earlier. bu